Description
15 Days of AI is a practical AI skills program from 100 School that delivers a lesson to your inbox each weekday for 15 days, taking about 15 minutes a day. Rather than passive tutorials, each lesson pairs a guided lesson with a real work task and a repeatable framework, aiming to change how people think, work, and create with AI. It has been used by more than 61,000 learners.
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The program is structured over three weeks: Think with AI covers how AI works and spotting opportunities to build first workflows, Build with AI moves from prompting to drafting, analyzing, automating, and prototyping, and Work with AI focuses on making AI part of a daily rhythm and building systems that stick. The approach is tool-agnostic and principle-first, teaching frameworks such as CRISP and COPE so skills transfer across ChatGPT, Copilot, Claude, or whatever tool comes next.
15 Days of AI for Teams brings the same daily practice to organizations, deployable from 10 to 10,000 people with no IT tickets, LMS integration, or logins. Delivery runs through the team's Slack or Teams channel, learners share what they build, and champions emerge as adoption spreads. Pre and post AIQ proficiency assessments and progress reports measure capability movement, with case studies including a BCG People Team cohort of 122 HR leaders.
The individual challenge is free to join, while team programs are priced by scope with volume discounts and include channel setup, assessments, reporting, dedicated support, and framework resources.
- CategoryCorporate Training & E-Learning
15 Days of AI's Core Features
Daily 15-minute AI lessons delivered by email
Real work tasks paired with each lesson
Three-week path: think, build, and work with AI
Tool-agnostic frameworks such as CRISP and COPE
Team delivery through Slack or Teams
Pre and post AIQ proficiency assessments
Progress reporting and engagement data
Deployable from 10 to 10,000 people
How to use 15 Days of AI?
Join the challenge: Sign up, and your first lesson arrives the following Monday.
Learn daily: Each weekday morning, receive a new 15-minute lesson in your inbox.
Apply to real work: Complete a hands-on task that applies AI to an actual work activity.
Share and build: For teams, share your work in Slack or Teams and see what colleagues build.
Measure progress: Use pre and post assessments and reports to track capability gains.
15 Days of AI's Use Cases
- Individual upskilling
- Team AI adoption
- Measuring AI capability
- Identifying champions
- Driving tool ROI








